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0.JP Question 10 What is the final volume{ in ml) so that a 10 mL solution...
What is the final volumein ml) so that a 10 mL solution of HCIO, at pH 2 changes the pH to 4? 1000 ml O 10 ml О 990 ml 20 ml O 100 ml
6.5 pts Question 7 What is the final volume in ml) so that a 10 ml solution of HC10, at pH2 changes the ph to 020 010 OSO
A solution is made by mixing 50 mL of 2.0 M K2HPO4 and 25 mL of 2.0 M KH2PO4. The solution is diluted to a final volume of 200 mL. What is the pH of the final solution?
please show work so: 1 ml stock 10 ml final -0.5 mL of stock -5 ml final volume While I have used 1:10 as a standard the same rules apply for all dilution factors. Try these problems: x 0.5 X0.5 1. You need to make a 1:25 dilution factor. If you final volume is 25 mL this means that you need_ _mL of stock and mL of solvent to make your final volume of 25 mL. 2. If you needed...
Quiz Instructions Questions D Question 17 3.3 pts 18 The volume of one molecule of water is 2.99 10-23 ml. For 1.00 mol sample of gaseous water at 1.00 atm and 150°C, what fraction of the container's volume is occupled by the molecules themselves? 82 x 10-1 5.2 10- 5210- 5210-1 45x 10-5 « Previous Submit No new data to save last checked at 10:21am
QUESTION 4 An ethanol-water solution is 10% ethanol by volume and contains 20.0 ml of ethanol. What is the total volume of this solution as described? O 200 ml O 180 ml o 220 ml O 2000 ml O 20 ml QUESTION 5 When an aqueous solution containing hydrochloric acid is neutralized with an aqueous solution containing sodium Hydroxide, the solution would taste O sour Obitter O salty sweet None of the above QUESTION 6 00000 What is the conjugate...
A solution was made by dissolving 1.77 g Ba(OH)2 in 100. mL final volume. (Note: Kw = 1.00 x 10-14) (a) What is the molar concentration of OH- in the solution? (b) What is the pH? (c) What is the pOH? (d) What is the hydrogen ion concentration in the solution?
A 10.0 mL sample of a 25% (m/v) KOH solution is diluted with water so that the final volume is 100.0 mL. Calculate the final concentration.
QUESTION 1 Calculate the volume of 0.5 M KOH solution in mL required to completely neutralize 25.0 mL of 0.1 M HNO3 solution (a) 25 (b) 5 (c) 10 (d) none of the choices is correct QUESTION 2 20 mL of 0.2 M NaOH solution is required to completely neutralize 20 mL of a standard H2SO4 solution (a) 0.1 M (b) 0.2 M (c) 0.5 M (d) None of the choices is correct Click Save and Submit to save and...
Question 4 How will the pressure change if a sample of an ideal gas in a rigid 2.0L container initially at 250°C is cooled to -142 °C! The final pressure will be 1/2 of the original pressure. The final pressure will be the same as the original pressure. The gas pressure is reduced to zero The final pressure will be 2 times the original pressure. The final pressure will be 1/4 of the original pressure. The final pressure will be...